Former Los Angeles Police Department officer and shooting suspect Christopher Jordan Dorner left Navy service on Feb. 1, just days before he is accused of killing Monica Quan and Keith Lawrence in Irvine, according to records released by U.S. Navy personnel Thursday.

The records show that Dorner entered the Navy on July 3, 2002, and earned Lieutenant ranking on Aug. 1, 2006. He was a member of the Coastal Riverine Group, assigned to perform protection missions, and deployed to Bahrain from November 2006 to April 2007. He was stationed at the Navy Mobilization Processing Site in San Diego in 2007 and the Navy Air Station Fallon reserve unit in Nevada in 2009.

During his service, he received eight awards and decorations, including the Iraq Campaign Medal, Global War on Terrorism Service Medal, Rifle Marksman Ribbon and Pistol Expert Medal.

Dorner, 33, of La Palma, is said to be targeting police officers in a bid to avenge his firing from the Los Angeles Police Department in 2008 and, according to his manifesto, to clear his name.

He is wanted in the killings of Cal State Fullerton assistant basketball coach Monica Quan and her fiance, Keith Lawrence, in Irvine Sunday. Quan is the daughter of a police captain who represented Dorner in his departmental hearing that resulted in his firing from the LAPD.

Police say he then ambushed two Riverside officers, killing one, this morning.

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Authorities suspect Dorner may be hiding in the area, and law enforcement units are staging in Big Bear Lake, Running Springs, Arrowbear and Twin Peaks. The San Bernardino County Sheriff's Department and the California Highway Patrol have deployed helicopters to help in the search.

Dorner appears to have grown up in La Palma and may have graduated from Cypress High School, according to various sources.

Residents in the 4900 block of Sharon Drive in La Palma, which was swarmed for a short time by police officers early Thursday, said that Dorner's mother lives there, but that he no longer does.

Sports Illustrated's online college football roster archive lists Dorner as a running back at Southern Utah University from 1999 to 2000 and lists his hometown as La Palma.

Southern Utah University Spokesman Dean O'Driscoll confirmed Thursday that Dorner attended the university from 1997 to 2001, when he graduated with a bachelor's degree in political science and a minor in psychology. The university is located about 250 miles south of Salt Lake City in Cedar City, Utah.

Though university officials were still combing through their files Thursday afternoon, O'Driscoll said the suspect did play football for the school in the 1999 and 2000 seasons.

There was no indication in the university files of complaints or problems during Dorner's time at the college, O'Driscoll said.

O'Driscoll also said he was checking to see if the university can release Dorner's transcripts and grade point average amid an onslaught of media requests from around the country.

Dorner also attended California Lutheran University in Ventura for one semester in 1997, said Karin Grennan, Media Relations Manager for the private university.

Dorner said the university could not release any of Dorner's transcripts or GPA, but noted that there was no indication of any problems while Dorner was attending the school and said it was not clear why Dorner chose to leave the college after one semester.